Here is a link to the cost.
http://www.alltiresupply.com/Merchant2/merchant.mvc? Well, I just figured out that the link goes to their home page. Go to the home page and type counteract into the search and it will find the listing with prices.
They come in plastic bags and you just throw the bag in the tire. However, when we take tires out of service, we scoop up the beads and keep them in a bucket and reuse them. I don't think I would attempt to put them into a tube.
